CPM Homework Help : CCA Problem 2-67

Each part (a) through (d) below represents a different tile pattern. For each one, determine how the pattern is growing and the number of tiles in Figure 0. Homework Help ✎

Hint (a):
How many more squares does Figure 3 have than Figure 2?

Hint (b):
Make a slope triangle between two points on the graph to find the slope, or the growth rate.
Answer (b):
Growth rate: −2

$y=3x−14$

Answer (c):
Number of tiles in Figure 0: −14

x
−3
−2
−1
0
1
2
3
y
18
13
8
3
−2
−7
−12

Hint (d):
What is the difference between each y-value?
What is the value of y when x is 0?

x	−3	−2	−1	0	1	2	3
y	18	13	8	3	−2	−7	−12